A 'jellyfish' UFO crowned by shifting coloured lights hovered above a Russian city for an hour before disappearing in the 1980s. The strange case is among a newly shared bundle of Soviet-era documents ...

The docs were taken out of Russia over 30 years ago by legendary investigative reporter George Knapp.

Newly published documents detail investigations into strange aerial phenomena, including several close encounters ...

Have aliens really descended upon British shores? In 2013, the UK declassified dozens of files outlining various UFO cases ...

Recently disclosed documents smuggled out of Russia reveal the Soviet Union's extensive investigations into thousands of reported UFO sightings and alien encounters.

Landmark UFO documents smuggled out of Russia 30 years ago — and just publicly revealed — show the Soviets investigated ...

A recently declassified CIA document has revealed a UFO piloted by mysterious, bug-eyed extraterrestrials landed in Siberia during the height of the Cold War and made contact with a group of Soviet ...

A declassified document posted to the CIA’s website is raising eyebrows with claims of an alleged UFO attack on Soviet forces. The viral report summarizes an article published by Canadian Weekly World ...